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Assessing the Convenience of Natural Proliferative Phase Frozen Embryo Transfer

Recruitingn/aAges 18 Years - 49 YearsFemaleInstituto Valenciano de Infertilidade de Lisboa
NCT06307184 on ClinicalTrials.gov ↗
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In plain words

What the trial is, and whether it could suit you

This study will assess the convenience of the natural proliferative phase frozen embryo transfer (NPP-FET) in terms of number of number of appointments needed before cycle scheduling.

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📋 Eligibility rules (as published)
Inclusion Criteria: * Endometrial thickness ≥ 7 mm on the day of starting progesterone-based luteal phase support (LPS) * Serum progesterone levels \<1.5 ng/ml on the day of starting progesterone-based LPS * LPS with micronized progesterone 400mg b.i.d. * Regular cycles (\>24 days, ≤ 38 days) * IVF/ICSI with donated oocytes * Single blastocyst stage embryo transfer * First or second embryo transfer from the same cohort Exclusion Criteria: * Use of exogenous ovarian stimulation during FET * Untreated hydrosalpinx, polyp, submucous myomas or severe adenomyosis * Recurrent pregnancy loss (≥ 3 previous pregnancy losses) * Recurrent implantation failure with embryos from oocyte donation (≥ 3 previous failed embryo transfers) * Personalized initiation of exogenous progesterone according to a previous endometrial receptivity assay test
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What it tests

  • Natural proliferative phase frozen embryo transfer
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Where

1 site
Instituto Valenciano de Infertilidade
Lisbon, Portugal
🤝 Taking part is your choice, and you can leave at any time. Only the trial team can confirm you are eligible — always decide together with your own doctor.
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